Riken Keiki FI-915, Operating Manual

Page: 19 / 74

3 How to Install 3-4. How to Tube
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(7)
As a general rule, exhaust should be atmosphere release. When the tip is outside, bend the shape of
the tube into an inverted U to prevent rain from entering the tube. When it returns to the exhaust duct
etc., keep the state within the atmosphere pressure of ±3 kPa, and the state that pressure fluctuation
is not rapidly changed.
(8)
For safety, to provide a flame arrestor for line, install it into each line of the GAS IN and GAS OUT.
CAUTION

FI-915 requires appropriate tubing works (selection of materials and other works) depending on
types of sample gas and installation conditions. For questions about tubing works, please
contact
the distributor.